reconnection loop should happen again whenever disconnected state is reached

Author: kn100

src/main/java/com/pusher/client/connection/websocket/WebSocketConnection.java

@@ -323,6 +323,7 @@ public void run() {
                 factory.shutdownThreads();
             }
         });
+        reconnectAttempts = 0;
     }
 
     @Override